| 28601 | The Production Co | Ligonier, PA 15658-0467 | Oil & Gas Operator | Dec 2012 |
| 28602 | The Production Co LLC | Ligonier, PA 15658-0467 | Oil & Gas Operator | Dec 2020 |
| 28603 | The Pyramid Corporation, Inc. | Wichita, KS 67206 | Oil & Gas Operator | Dec 2009 |
| 28604 | The Quintin Little Company Inc | Ardmore, OK 73401 | Oil & Gas Operator | Mar 2026 |
| 28605 | The Raven Company LLC | Granbury, TX 76049 | Oil Operator | Mar 2010 |
| 28606 | The Richardson Petroleum Corporation | Whitesville, NY 14897 | Oil & Gas Operator | Dec 2024 |
| 28607 | The Robert And Donna Harwood Income Only Trust | Perry, NY 14530 | Gas Operator | Dec 2024 |
| 28608 | The Romanoff Corporation | | Oil & Gas Operator | Nov 1989 |
| 28609 | The Southern Louisiana Expl. Company LLC | | Oil & Gas Operator | Nov 2024 |
| 28610 | The Stone Oil Corporation | | Oil & Gas Operator | May 1985 |
| 28611 | The Stone Petro Corp-Toce Oil | | Oil & Gas Operator | Oct 1984 |
| 28612 | The Superior Oc WM Scully Etal | | Oil & Gas Operator | Apr 1986 |
| 28613 | The Superior Oil Co & Pel-Tex | | Oil & Gas Operator | Apr 1986 |
| 28614 | The Superior Oil Co - Tesoro | | Oil & Gas Operator | Apr 1986 |
| 28615 | The Termo Company | Long Beach, CA 90801 | Oil & Gas Operator | Mar 2026 |
| 28616 | The Texas Company | FT Worth, TX 76101 | Oil & Gas Operator | Dec 2013 |
| 28617 | The Trees Oil Company | Wichita, KS 67208 | Oil & Gas Operator | Nov 2014 |
| 28618 | The Twenty Eleven Corp Inc | Ada, OK 74820-3605 | Oil Operator | Jan 2026 |
| 28619 | The William R Earnhardt Company | Bristow, OK 74010 | Oil & Gas Operator | Feb 2026 |
| 28620 | The WM G Helis Company, L.L.C. | | Oil & Gas Operator | Nov 2003 |
| 28621 | The Woods Parcel, LLC | Orchard Park, NY 14127 | Gas Operator | Dec 2024 |
| 28622 | Theisen, VIncent A. | Wilmington, DE 19807 | Oil & Gas Operator | Sep 2003 |
| 28623 | Thigpin Operating, LLC | Odessa, TX 79762 | Oil Operator | May 2026 |
| 28624 | Tholl Oil Company | | Oil Operator | Dec 2003 |
| 28625 | Thomas A. Blanton | | Oil Operator | Oct 2025 |
| 28626 | Thomas Aitken, Inc. | | Gas Operator | Dec 2024 |
| 28627 | Thomas And Ruby Parkinson Trust | Tatum, NM 88267 | Oil & Gas Operator | Mar 2026 |
| 28628 | Thomas B Rixleben | | Oil & Gas Operator | Jul 2008 |
| 28629 | Thomas Bell | | Oil Operator | Dec 1985 |
| 28630 | Thomas Blankenship Dba B S Oil Company | Lindsay, OK 73052 | Oil & Gas Operator | Mar 2026 |
| 28631 | Thomas C. Hoffpauir | | Oil & Gas Operator | Mar 1991 |
| 28632 | Thomas C. Hoffpauir, Inc. | | Oil & Gas Operator | Jan 1981 |
| 28633 | Thomas C. King | | Oil & Gas Operator | Dec 1995 |
| 28634 | Thomas E L | Tulsa, OK 74136-6302 | Oil & Gas Operator | Feb 2015 |
| 28635 | Thomas E. Slack | | Oil Operator | Mar 2003 |
| 28636 | Thomas Exploration & Devel., Inc | Jourdanton, TX 78026 | Oil & Gas Operator | May 2026 |
| 28637 | Thomas Exploration Company | Tulsa, OK 74136-6302 | Oil & Gas Operator | Feb 2026 |
| 28638 | Thomas G. Easterling | | Oil Operator | Jun 1989 |
| 28639 | Thomas Garner, Inc. | St John, KS 67576 | Oil & Gas Operator | Jan 2026 |
| 28640 | Thomas J L Engineering Inc | Edmond, OK 73003-0026 | Oil & Gas Operator | Jul 2016 |
| 28641 | Thomas L Spring LLC | | Gas Operator | Feb 2026 |
| 28642 | Thomas M. Brown LLC | Plainville, KS 67663 | Oil Operator | Jan 2026 |
| 28643 | Thomas Oil & Gas Company | Luling, TX 78648 | Oil & Gas Operator | Aug 2003 |
| 28644 | Thomas Oil And Gas Inc. | San Angelo, TX 76906 | Oil & Gas Operator | May 2019 |
| 28645 | Thomas Oil Company | | Oil & Gas Operator | Dec 2008 |
| 28646 | Thomas Oil Company LLC | Ardmore, OK 73401-3717 | Oil Operator | Mar 2026 |
| 28647 | Thomas Oilers | | Oil & Gas Operator | Mar 2026 |
| 28648 | Thomas Operating Company Inc | Greeley, CO 80634 | Oil & Gas Operator | Aug 2008 |
| 28649 | Thomas Operating LTD. Co. | Dallas, TX 75220 | Oil & Gas Operator | May 2026 |
| 28650 | Thomas Production | Electra, TX 76360 | Oil & Gas Operator | Mar 2015 |
| 28651 | Thomas R Sivley | Southlake, TX 76092 | Oil & Gas Operator | Mar 2013 |
| 28652 | Thomas R. Banks | | Oil Operator | Dec 2025 |
| 28653 | Thomas Resources Corporation | Monahans, TX 79756 | Oil Operator | Mar 2008 |
| 28654 | Thomas Steel Strip Corp | Warren, OH 44485 | Oil & Gas Operator | Dec 2025 |
| 28655 | Thomas Turman | | Oil & Gas Operator | Dec 1991 |
| 28656 | Thomas Wayne Oil & Gas | Bristow, OK 74010-0544 | Oil & Gas Operator | Jan 2018 |
| 28657 | Thomas Well Serv | | Oil Operator | Dec 1996 |
| 28658 | Thomas Well Service, Inc. | Easton, KS 66020 | Oil Operator | Jan 2026 |
| 28659 | Thomas, B. K. | Plano, TX 75093 | Oil & Gas Operator | Jan 2008 |
| 28660 | Thomas, Ellis W | | Oil & Gas Operator | Jan 2026 |
| 28661 | Thomas, M.A. Oil Associates | Nocona, TX 76255 | Oil & Gas Operator | May 2026 |
| 28662 | Thomas, Mike | Nixon, TX 78140 | Oil Operator | May 2026 |
| 28663 | Thomas, R. W. Inc. | Norman, OK 73070 | Oil & Gas Operator | Apr 2015 |
| 28664 | Thomas, T. N. Oil Company | Aiken, SC 29801 | Oil & Gas Operator | May 2026 |
| 28665 | Thomas, Vernon C. | Gardner, KS 66030 | Oil Operator | Jun 2015 |
| 28666 | Thomason Oil Com | | Oil Operator | Oct 1984 |
| 28667 | Thomason Petroleum, Inc | Hays, KS 67601 | Oil Operator | Jan 2026 |
| 28668 | Thomasson Petroleum Enterprises, Inc | Bremen, KY 42325 | Oil Operator | Dec 2024 |
| 28669 | Thomfield Energy LLC | Kilgore, TX 75663 | Oil Operator | May 2026 |
| 28670 | Thompson Consumer Electronics | Indianapolis, IN 46290 | Oil & Gas Operator | Dec 1998 |
| 28671 | Thompson Drilling Company, Inc. | Independence, KS 67301 | Oil Operator | Sep 2001 |
| 28672 | Thompson Energy Resources LLC | | Oil & Gas Operator | Mar 2026 |
| 28673 | Thompson Engr & Prod Corp | Farmington, NM 87402 | Oil & Gas Operator | Apr 2019 |
| 28674 | Thompson Felton | Dewey, OK 74029 | Oil Operator | Jul 1999 |
| 28675 | Thompson Floyd Oil Co Inc | Boca Raton, FL 44328 | Oil & Gas Operator | Dec 1988 |
| 28676 | Thompson James R | Okmulgee, OK 74447 | Oil & Gas Operator | Sep 2025 |
| 28677 | Thompson Oil Co. | Corsicana, TX 75151 | Oil & Gas Operator | Feb 2026 |
| 28678 | Thompson Operating Co. | Abernathy, TX 79311 | Oil & Gas Operator | Aug 1994 |
| 28679 | Thompson Roy G | Bartlesville, OK 74006 | Oil & Gas Operator | Feb 1993 |
| 28680 | Thompson, Diana & Glenn | Fredonia, NY 14063 | Gas Operator | Dec 2024 |
| 28681 | Thompson, Don W | Herington, KS 67449 | Oil Operator | Jul 2003 |
| 28682 | Thompson, J C | Denver, CO 80237-2843 | Oil & Gas Operator | Jul 2005 |
| 28683 | Thompson, J. Cleo | Dallas, TX 75201 | Oil & Gas Operator | May 2024 |
| 28684 | Thompson, Joe L., Inc. | Oklahoma City, OK 73132 | Oil & Gas Operator | Oct 2005 |
| 28685 | Thompson, Kenneth L | Clarence Center, NY 14032 | Gas Operator | Dec 2024 |
| 28686 | Thompson, Mark P. | Graham, TX 76450 | Oil & Gas Operator | May 2026 |
| 28687 | Thompson, Mark V. | South Dayton, NY 14138 | Gas Operator | Dec 2024 |
| 28688 | Thompson, Richard W. Inc. | Plano, TX 75024 | Oil & Gas Operator | May 2026 |
| 28689 | Thompson, Timothy G. | Delevan, NY 14042 | Gas Operator | Dec 2024 |
| 28690 | Thomsen Brothers Co., LLC | Lamont, KS 66855 | Oil Operator | Jan 2026 |
| 28691 | Thor Operating Company | Tyler, TX 75710 | Oil & Gas Operator | Dec 1995 |
| 28692 | Thor Production Co. | | Oil Operator | May 1997 |
| 28693 | Thor-Max Operating, Inc. | Plano, TX 75025 | Oil & Gas Operator | May 2026 |
| 28694 | Thornberry Family Partnership LTD. | New Waverly, TX 77358 | Oil Operator | Nov 2025 |
| 28695 | Thornberry Oilfield Service, Inc | Conroe, TX 77302 | Oil & Gas Operator | Aug 2003 |
| 28696 | Thorne Harold & | | Oil Operator | May 1994 |
| 28697 | Thornton & Brooks, Inc. | | Oil & Gas Operator | Oct 1990 |
| 28698 | Thornton Drilling Company Ptrnship | Eureka, KS 67045 | Oil Operator | Jun 2010 |
| 28699 | Thornton Oil Co. | Abilene, TX 79603 | Oil & Gas Operator | Aug 2003 |
| 28700 | Thornton Operating Corporation | Fort Worth, TX 76162 | Oil & Gas Operator | Jul 2014 |